Home / 3,649.15-5,034.85-2,077.21

Finding the Fourth Proportional to 3,649.15, 5,034.85 and 2,077.21

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Solution

The fourth proportional to 3,649.15, 5,034.85 and 2,077.21 is: 2,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.15 : 5,034.85 = 2,077.21 : x
  2. Step 2: Convert to fraction form
    3,649.15/5,034.85 = 2,077.21/x
  3. Step 3: Cross multiply
    3,649.15x = 5,034.85 × 2,077.21
  4. Step 4: Simplify right side
    3,649.15x = 10,458,440.77
  5. Step 5: Solve for x
    x = 10,458,440.77/3,649.15
  6. Step 6: Final answer
    x = 2,865.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.